package com.cx330;

public class Example89_05 {
    private static Example89_05 instance;

    private Example89_05() {}

    public static Example89_05 getInstance() {
        if (instance == null) {
            synchronized (Example89_04.class) {
                if (instance == null) {
                    instance = new Example89_05();
                }
            }
        }
        return instance;
    }
}
